The usable fastening range and the preferred selection figure when published.
Chicago Pneumatic Tool Specifications
Reference tables for choosing and checking Chicago Pneumatic air tools: impact wrench specifications you can search by model or drive size, air use by tool type, and bolt torque charts. Tell us the fastener, the torque target or the tool you run now and we’ll match it.
Reference Tables
Working torque
Maximum reverse torque
Air at load
Recommended torque
CP7737 
CP749 
CP7729-P 
CP6070-P15H 
CP6135-D80 
CP6130-T70 
CP6240-T120
Specifications from the Chicago Pneumatic catalog
Peak removal capability, not a controlled tightening specification.
Consumption while the tool is doing work. Do not mix it with average air ratings.
A fastener and joint target, not automatically the required tool output.
Impact wrenches by output drive
14 representative models
No models match these filters. Clear the filters or ask for help selecting a tool.
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| Model | Output drive | Working torque, forward (ft.lb) | Max torque, reverse (ft.lb) | Weight (lb) | Air at 90 PSI (cfm) |
|---|---|---|---|---|---|
| CP721 | 3/8 in | 5.2–50.2 | 75 | 2.65 | 10 |
| CP7729 | 3/8 in | 50.2–300 | 415 | 2.76 | 20 |
| CP7737 | 1/2 in | 25.1–165 | 221 | 2.49 | 16 |
| CP749 | 1/2 in | 50.2–450 | 610 | 5.51 | 22 |
| CP7748-P | 1/2 in | 70.1–553 | 959 | 4.65 | 25 |
| CP9561 | 3/4 in | 148–701 | 922 | 11.2 | 30 |
| CP8272-P | 3/4 in | 184–922 | 1220 | 7.28 | 38 |
| CP7769-P | 3/4 in | 300–1,080 | 1440 | 6.94 | 31 |
| CP6070-P15H | 1 in | 199–900 | 1100 | 11.9 | 52.9 |
| CP7783 | 1 in | 413–1,250 | 1770 | 18.5 | 40.4 |
| CP0611-D28H | 1 in | 900–1,800 | 2800 | 22.9 | 68 |
| CP6930-D35 | 1-1/2 in | 443–1,950 | 2880 | 31.6 | 64 |
| CP6135-D80 | 1-1/2 in | 740–4,055 | 5900 | 35.2 | 84.5 |
| CP6130-T70 | 1-1/2 in | 2,430–5,240 | 9220 | 72.7 | 67.3 |
Air consumption by tool type
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| Tool type | Air at 90 PSI (cfm) | Typical | Primary system concern | Models referenced |
|---|---|---|---|---|
| Percussive tools (chipping, scaling, needle) | 3 to 28 | 6.4 | Hose length and coupling restriction | 32 |
| Ratchet wrenches | 8.7 to 17 | 14 | Hose and regulator sizing | 11 |
| Sanders and polishers | 2.5 to 80 | 17 | Continuous duty and pressure drop | 115 |
| Screwdrivers and assembly tools | 8.5 to 30 | 19.5 | Stable pressure for repeatable torque | 8 |
| Die grinders | 2.1 to 86 | 21 | Continuous airflow | 59 |
| Drills | 3 to 80 | 23 | Duty cycle and simultaneous use | 19 |
| Impact wrenches | 10 to 84.5 | 31 | Pressure at the point of use | 51 |
| Angle grinders | 8 to 110 | 63 | Compressor and distribution capacity | 59 |
Bolt torque and impact tool selection reference
Recommended tightening torque, imperial (ft.lb)
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| Bolt grade | 1/2" | 5/8" | 3/4" | 7/8" | 1" | 1-1/4" | 1-1/2" |
|---|---|---|---|---|---|---|---|
| Grade 5 | 28 | 55 | 97 | 155 | 230 | 480 | 860 |
| Grade 8 | 70 | 140 | 250 | 405 | 600 | 1,080 | 1,950 |
| ASTM A574 | 99 | 198 | 350 | 566 | 848 | 1,750 | 3,125 |
| ASTM A325 | - | 200 | 355 | 570 | 850 | 1,495 | 2,600 |
| ASTM A490 | - | 250 | 435 | 715 | 1,070 | 2,125 | 3,700 |
Recommended tightening torque, metric (Nm)
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| Property class | M10 | M12 | M16 | M20 | M24 | M30 | M36 |
|---|---|---|---|---|---|---|---|
| 8.8 | 47 | 81 | 197 | 385 | 665 | 1,310 | 2,280 |
| 10.9 | 65 | 114 | 277 | 541 | 935 | 1,840 | 3,210 |
| 12.9 | 79 | 136 | 333 | 649 | 1,120 | 2,210 | 3,850 |
Related guides
- Chicago Pneumatic industrial toolsTools we supply, help choosing by job, and quotes.
- Air compressor sizing for air toolsTurn tool air use into compressor size.
- Point-of-use air reviewCheck pressure and flow where the tools run.